X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet.h;h=3b194cdbc3011f6eb60d0fcabb89eba248aa7ca4;hp=830fe43a547ee44214cc55560f60afbe9013404a;hb=d335c6d0d7328fd86154dc60b22deb7953ab0228;hpb=89610e3fbada1dee79769b8146a500c8357fd81d

diff --git a/src/net.h b/src/net.h
index 830fe43a..3b194cdb 100644
--- a/src/net.h
+++ b/src/net.h
@@ -1,6 +1,6 @@
 /*
     net.h -- header for net.c
-    Copyright (C) 1998,99 Ivo Timmermans <zarq@iname.com>
+    Copyright (C) 1998,1999,2000 Ivo Timmermans <zarq@iname.com>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -15,6 +15,8 @@
     You should have received a copy of the GNU General Public License
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+    $Id: net.h,v 1.9.4.10 2000/09/14 14:32:34 zarq Exp $
 */
 
 #ifndef __TINC_NET_H__
@@ -45,9 +47,24 @@
 
 #define MAXBUFSIZE 2048 /* Probably way too much, but it must fit every possible request. */
 
+/* flags */
+#define INDIRECTDATA        0x0001 /* Used to indicate that this host has to be reached indirect */
+#define EXPORTINDIRECTDATA  0x0002 /* Used to indicate uplink that it has to tell others to do INDIRECTDATA */
+#define TCPONLY             0x0004 /* Tells sender to send packets over TCP instead of UDP (for firewalls) */
+
 typedef unsigned long ip_t;
 typedef short length_t;
 
+struct conn_list_t;
+
+typedef struct subnet_t {
+  ip_t netaddr;
+  ip_t netmask;
+  struct conn_list_t *owner;
+  struct subnet_t *next;
+  struct subnet_t *prev;
+} subnet_t;  
+
 typedef struct vpn_packet_t {
   length_t len;		/* the actual number of bytes in the `data' field */
   unsigned char data[MAXSIZE];
@@ -76,7 +93,9 @@ typedef struct status_bits_t {
   int validkey:1;                  /* 1 if we currently have a valid key for him */
   int waitingforkey:1;             /* 1 if we already sent out a request */
   int dataopen:1;                  /* 1 if we have a valid UDP connection open */
-  int unused:22;
+  int encryptout:1;		   /* 1 if we can encrypt outgoing traffic */
+  int encryptin:1;                 /* 1 if we have to decrypt incoming traffic */
+  int unused:19;
 } status_bits_t;
 
 typedef struct queue_element_t {
@@ -97,11 +116,13 @@ typedef struct enc_key_t {
 } enc_key_t;
 
 typedef struct conn_list_t {
+  char *name;                      /* name of this connection */
   ip_t vpn_ip;                     /* his vpn ip */
   ip_t vpn_mask;                   /* his vpn network address */
   ip_t real_ip;                    /* his real (internet) ip */
-  char *hostname;                  /* the hostname of its real ip */
+  char *hostname;             /* the hostname of its real ip */
   short unsigned int port;         /* his portnumber */
+  int flags;                       /* his flags */
   int socket;                      /* our udp vpn socket */
   int meta_socket;                 /* our tcp meta socket */
   int protocol_version;            /* used protocol */
@@ -112,9 +133,15 @@ typedef struct conn_list_t {
 				      valid key to be decrypted with) */
   enc_key_t *public_key;           /* the other party's public key */
   enc_key_t *key;                  /* encrypt with this key */
-  char buffer[MAXBUFSIZE+1];       /* metadata input buffer */
+  char *buffer;       /* metadata input buffer */
   int buflen;                      /* bytes read into buffer */
   int reqlen;                      /* length of first request in buffer */
+  int tcppacket;		   /* length of incoming TCP tunnelled packet */
+  time_t last_ping_time;           /* last time we saw some activity from the other end */  
+  int want_ping;                   /* 0 if there's no need to check for activity */
+  int allow_request;               /* defined if there's only one request possible */
+  char *chal_answer;               /* answer to the given challenge */
+  enc_key_t *metakey;
   struct conn_list_t *nexthop;     /* nearest meta-hop in this direction */
   struct conn_list_t *next;        /* after all, it's a list of connections */
 } conn_list_t;
@@ -129,13 +156,16 @@ extern int total_socket_out;
 extern conn_list_t *conn_list;
 extern conn_list_t *myself;
 
+extern char *request_name[256];
+
 extern int send_packet(ip_t, vpn_packet_t *);
-extern int send_broadcast(conn_list_t *, vpn_packet_t *);
 extern int setup_network_connections(void);
 extern void close_network_connections(void);
 extern void main_loop(void);
 extern int setup_vpn_connection(conn_list_t *);
 extern void terminate_connection(conn_list_t *);
 extern void flush_queues(conn_list_t*);
+extern int xrecv(conn_list_t *, void *);
+extern void add_queue(packet_queue_t **, void *, size_t);
 
 #endif /* __TINC_NET_H__ */